Home / 1,370.08-2,055.07-396.16

Finding the Fourth Proportional to 1,370.08, 2,055.07 and 396.16

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Solution

The fourth proportional to 1,370.08, 2,055.07 and 396.16 is: 594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.08 : 2,055.07 = 396.16 : x
  2. Step 2: Convert to fraction form
    1,370.08/2,055.07 = 396.16/x
  3. Step 3: Cross multiply
    1,370.08x = 2,055.07 × 396.16
  4. Step 4: Simplify right side
    1,370.08x = 814,131.89
  5. Step 5: Solve for x
    x = 814,131.89/1,370.08
  6. Step 6: Final answer
    x = 594.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.